从方框中选择恰当的句子完成对话。

A. Where is it? B. She is only six. C. Happy birthday! D. Can I take my sister to your party? E. Can you come to my birthday party this evening?

A: Hi, Cindy!  

B: Thank you, Bill.  

A: Yes.  

B: At my home.

A: Great!  

B: Sure. How old is your sister?

A:  

B: Oh, my sister is six, too. See you!